MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f79f3498f99153a250e593eeabd59baef4cc7858c0a002705622f294e86c648. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


RemcosRAT


Vendor detections: 19


Intelligence 19 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f79f3498f99153a250e593eeabd59baef4cc7858c0a002705622f294e86c648
SHA3-384 hash: 1908764c09e51492563e79449a4184aeb961da351b52d7396c1e74fbc1160471de851ce46b2f7debf83e267c7ab0e6b1
SHA1 hash: 1ff5ce937f249ec6a2d6096238bacd8f9b26a731
MD5 hash: f9ba48a30f732650dec47ba011c63fb1
humanhash: lake-wisconsin-equal-coffee
File name:PO 25709_DG600_ORDER.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:19'456 bytes
First seen:2025-08-13 21:14:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:U/jnLSGyVLm3DV1nHHBRVCr/raxhDcRnhfvmF9UHiqTmQI35z:AILEHnBnCr/ramBmF9Im335z
TLSH T1B5920857BA4D4663D164FF3EC8FBF5440320E2421D53DD4E798B334A681336AE6562CA
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
_8f79f3498f99153a250e593eeabd59baef4cc7858c0a002705622f294e86c648.exe
Verdict:
Malicious activity
Analysis date:
2025-08-13 21:17:40 UTC
Tags:
rat remcos remote auto-startup
Link:
https://app.any.run/tasks/552d47c4-31e1-4635-95cf-f888038c527d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/21223/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689d007d2018ee52f0247ed0
Tags:
autorun micro msil dldr
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 masquerade net_reactor obfuscated packed phishing
Link:
https://www.filescan.io/uploads/689d0082167d60d98ab72811/reports/b4e7ed59-8cff-4b2e-84b5-6dda720d52e4/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/8f79f3498f99153a250e593eeabd59baef4cc7858c0a002705622f294e86c648
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/73807ad1-ea15-4caf-b7e1-4ac3e276c257
Result
Threat name:
Remcos, PureLog Stealer, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1756416
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1756416 Sample: PO 25709_DG600_ORDER.exe Startdate: 13/08/2025 Architecture: WINDOWS Score: 100 33 app.nihaocloud.com 2->33 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 15 other signatures 2->55 8 PO 25709_DG600_ORDER.exe 15 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 process4 dnsIp5 35 app.nihaocloud.com 15.235.49.174, 443, 49719, 49729 HP-INTERNET-ASUS United States 8->35 29 C:\Users\user\AppData\Roaming\voicex.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Roaming\...\voicex.vbs, ASCII 8->31 dropped 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->59 15 InstallUtil.exe 2 3 8->15         started        61 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->61 20 voicex.exe 14 2 13->20         started        file6 signatures7 process8 dnsIp9 37 212.162.149.164, 443, 49720, 49721 UNREAL-SERVERSUS Netherlands 15->37 27 C:\ProgramData\remcos\logs.dat, data 15->27 dropped 39 Detected Remcos RAT 15->39 41 Contains functionalty to change the wallpaper 15->41 43 Contains functionality to steal Chrome passwords or cookies 15->43 47 4 other signatures 15->47 22 conhost.exe 15->22         started        45 Multi AV Scanner detection for dropped file 20->45 24 InstallUtil.exe 20->24         started        file10 signatures11 process12 signatures13 57 Detected Remcos RAT 24->57
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8f79f3498f99153a250e593eeabd59baef4cc7858c0a002705622f294e86c648
Verdict:
inconclusive
YARA:
8 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.91 Win 32 Exe x86
Link:
https://app.malva.re/file/f9ba48a30f732650dec47ba011c63fb1
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f79f3498f99153a250e593eeabd59baef4cc7858c0a002705622f294e86c648/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/8f79f3498f99153a250e593eeabd59baef4cc7858c0a002705622f294e86c648
Threat name:
Win32.Trojan.Marsilia
Create hunting rule
Status:
Malicious
First seen:
2025-08-13 04:00:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r547gsmptektujiole7ovpkzxlxuzr4frqfaajyfmixsstugyzea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Link:
https://tria.ge/reports/250813-z36xdshp51/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Remcos
Remcos family
Malware Config
C2 Extraction:
212.162.149.164:443
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b6d48103-8755-4a6c-abd7-32975a7bfe84
Unpacked files
SH256 hash:
8f79f3498f99153a250e593eeabd59baef4cc7858c0a002705622f294e86c648
MD5 hash:
f9ba48a30f732650dec47ba011c63fb1
SHA1 hash:
1ff5ce937f249ec6a2d6096238bacd8f9b26a731
Link:
https://www.unpac.me/results/504c7677-ce8d-48b5-a622-965b3854c048/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f79f3498f99/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8f79f3498f99153a250e593eeabd59baef4cc7858c0a002705622f294e86c648

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 8f79f3498f99153a250e593eeabd59baef4cc7858c0a002705622f294e86c648

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/21223/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments